Home / 10,182.58-15,277.75-5,249.07

Finding the Fourth Proportional to 10,182.58, 15,277.75 and 5,249.07

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Solution

The fourth proportional to 10,182.58, 15,277.75 and 5,249.07 is: 7,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.58 : 15,277.75 = 5,249.07 : x
  2. Step 2: Convert to fraction form
    10,182.58/15,277.75 = 5,249.07/x
  3. Step 3: Cross multiply
    10,182.58x = 15,277.75 × 5,249.07
  4. Step 4: Simplify right side
    10,182.58x = 80,193,966.07
  5. Step 5: Solve for x
    x = 80,193,966.07/10,182.58
  6. Step 6: Final answer
    x = 7,875.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.